Finding the Fourth Proportional to 56,826, 78,422.31 and 31,675.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,826 : 78,422.31 = 31,675.50 : x
2. Step 2: Convert to fraction form
   56,826/78,422.31 = 31,675.50/x
3. Step 3: Cross multiply
   56,826x = 78,422.31 × 31,675.50
4. Step 4: Simplify right side
   56,826x = 2,484,065,880.41
5. Step 5: Solve for x
   x = 2,484,065,880.41/56,826
6. Step 6: Final answer
   x = 43,713.54